Altoona, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Altoona, a city in Eau Claire County, Wisconsin.
Today
59°F
Chance Light Rain
A chance of rain. Cloudy. High near 59, with temperatures falling to around 53 in the afternoon. South southwest wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Altoona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 59°F | Chance Light Rain | 10 mph SSW | 47% |
| Tonight | 44°F | Light Rain | 0 to 10 mph W | 80% |
| Thursday | 48°F | Chance Light Rain then Cloudy | 10 to 15 mph N | 47% |
| Thursday Night | 32°F | Mostly Cloudy | 5 to 10 mph N | 3% |
| Friday | 46°F | Mostly Sunny | 5 mph N | 0% |
| Friday Night | 26°F | Mostly Clear | 0 mph | 0% |
| Saturday | 49°F | Sunny | 0 to 5 mph WSW | 0% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph WSW | 5% |
| Sunday | 52°F | Sunny | 5 to 10 mph W | 2% |
| Sunday Night | 34°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Monday | 58°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 38°F | Partly Cloudy | 5 mph W | 1% |
| Tuesday | 54°F | Sunny | 5 mph WNW | 1% |
| Tuesday Night | 36°F | Partly Cloudy | 0 to 5 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Altoona (44.800, -91.440). Updated through the day.
Growing snapshot for Altoona
Last spring frost
Apr 24
First fall frost
Oct 14
Growing season
170 days
Hardiness zone
4b
More local growing data for Altoona: nearby ZIP 54720 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Eau Claire 3Sw, Wi (4.1 mi from Altoona). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.